A coffee shop blends 2 kinds of coffee, putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm. If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade, how much will the shop save in blending 100 gms.

A. Rs.90
B. Rs.1.00
C. Rs.3.00
D. Rs.8.00

• ans. c.
  33*2/3 + 24*1/3 =30.
  33*1/3 + 24*2/3 =27
  save=30-27= 3.00
• 11 years agoHelpfull: Yes(1) No(1)